Mercedes-Benz

G-Class (W463old)

2000-2018 · Off-Road SUV ยท 2 engines
Best Engine โœ… Recommended (4.4)
46 NHTSA Complaints
0 Recalls
1 Fire Reports
1 Crash Reports
Includes data from: G-CLASSG500
View all 2 generations of the Mercedes-Benz G-Class → ๐Ÿ“‹ Inspection checklist

Engine Reliability Ratings

5.5-V8-Gas

5.5L 8-cyl
โœ… Recommended (4.4)
20 complaints 2.9 per year Gasoline
View details
Show 4 additional engine variants with limited data
These engines appear in fewer than 10 owner complaints and aren't included in the main ratings above. Low counts can mean a genuinely clean record, but they can also reflect VIN-decode anomalies in NHTSA data. Treat as informational, not as a confident rating.

Mercedes-Benz G-Class Unidentified Engine

โš ๏ธ Caution (3.0)
9 complaints 2.2 per year
1 fire report
View details

Complaint Breakdown

brakes
2
body
2
exterior
2
other
1
safety systems
1

Known Issues

Brakes Issues (2 complaints)
Body/Trim Issues (2 complaints)
Exterior Issues (2 complaints)

4.3-V8-Gas

4.3L 8-cyl / 275 hp
โœ… Recommended (4.6)
2 complaints 2.0 per year Gasoline
View details

Complaint Breakdown

electrical
1
body
1

Known Issues

Electrical System Issues (1 complaints)
Body/Trim Issues (1 complaints)

Vehicle-Level Issues

These issues affect the Mercedes-Benz G-Class regardless of engine variant.

Body/Trim Issues (11 complaints)
body moderate
Electrical System Issues (6 complaints)
electrical cosmetic
Steering Issues (6 complaints)
steering cosmetic

Alternatives in Off-Road SUV

Frequently Asked Questions

What are the most common 2000-2018 Mercedes-Benz G-Class problems?

The 2000-2018 Mercedes-Benz G-Class has accumulated 46 NHTSA complaints. The most frequently reported problem areas are Body/Trim, Electrical System, Steering. As with any used vehicle, an inspection before buying and a vehicle history report are recommended.

Which Mercedes-Benz G-Class engine is most reliable?

The 2000-2018 Mercedes-Benz G-Class was offered with 6 engine options. Based on NHTSA complaint data, the 5.5L 8-cyl has the lowest complaint density and is considered the most reliable choice for buyers.

Is the 2000-2018 Mercedes-Benz G-Class a good used car?

The 2000-2018 Mercedes-Benz G-Class can be a sound used car depending on trim, mileage, and maintenance history. With 46 total NHTSA complaints on record, prospective buyers should review the known problem areas and check for open recalls before buying.

How many NHTSA complaints does the 2000-2018 Mercedes-Benz G-Class have?

The 2000-2018 Mercedes-Benz G-Class has 46 complaints filed with NHTSA as of our latest data pull. Complaint counts reflect owner-reported issues and do not necessarily indicate defects or safety risks on their own.

What recalls affect the 2000-2018 Mercedes-Benz G-Class?

There are 0 NHTSA recalls affecting some 2000-2018 Mercedes-Benz G-Class vehicles. Recall status varies by VIN โ€” check the NHTSA recall database at recalls.nhtsa.dot.gov with your specific VIN to confirm which campaigns apply.

What should I check before buying a used Mercedes-Benz G-Class?

Before buying a used Mercedes-Benz G-Class, verify all open recalls are completed via the NHTSA VIN lookup tool. Pay particular attention to Body/Trim, Electrical System, Steering, which are the most commonly reported problem areas. Request maintenance records, have an independent mechanic inspect the vehicle, and run a vehicle history report to check for prior accidents or title issues.

Does the G-Class have NHTSA crash test ratings?

NHTSA has not published crash test ratings for the 2000-2018 Mercedes-Benz G-Class. Not all vehicles are tested each year. For the latest NHTSA safety information, visit nhtsa.gov/ratings.

Data from NHTSA federal complaints database. 46 complaints analyzed. Data confidence: moderate. Last updated: 2026-05-23.

© 2026 The Weekly Driver